/* ============================================================
   LE 17ÈME PARALLÈLE — Design system partagé (multi-pages)
   Quiet luxury : lin, anthracite, or champagne, filets fins.
   ============================================================ */

:root{
  --lin:#F9F8F6;
  --encre:#1A1A1A;
  --champagne:#C5A880;
  --ligne:#E5E0D8;
  --brume:#8A8578;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--lin);
  color:var(--encre);
  font-family:Inter,system-ui,sans-serif;
  font-weight:300;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:rgba(197,168,128,.2)}

.serif{font-family:"Cormorant Garamond",Georgia,serif}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
@media(min-width:768px){.container{padding:0 40px}}

/* ---------- Typographie utilitaire ---------- */
.eyebrow{color:var(--champagne);font-size:.7rem;letter-spacing:.35em;text-transform:uppercase;margin:0 0 1.5rem}
.h1{font-family:"Cormorant Garamond",serif;font-weight:300;line-height:1;font-size:clamp(2.6rem,6vw,5rem);margin:0}
.h2{font-family:"Cormorant Garamond",serif;font-weight:300;line-height:1.1;font-size:clamp(2rem,4vw,3.4rem);margin:0 0 1.5rem}
.h3{font-family:"Cormorant Garamond",serif;font-weight:300;font-size:clamp(1.4rem,2.2vw,1.9rem);margin:0 0 .8rem}
.lead{font-size:1.05rem;color:var(--brume);max-width:42ch}
p{margin:0 0 1rem}
.muted{color:var(--brume)}
.small{font-size:.85rem}

/* ---------- Boutons ---------- */
.btn{display:inline-block;font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;padding:16px 32px;transition:all .5s cubic-bezier(.22,1,.36,1);cursor:pointer;border:1px solid transparent;text-align:center}
.btn--dark{background:var(--encre);color:var(--lin)}
.btn--dark:hover{background:var(--champagne)}
.btn--outline{border-color:rgba(26,26,26,.4);color:var(--encre)}
.btn--outline:hover{background:var(--encre);color:var(--lin)}
.btn--light{background:var(--lin);color:var(--encre)}
.btn--light:hover{background:var(--champagne);color:var(--lin)}
.btn--ghost{border-color:rgba(249,248,246,.5);color:var(--lin)}
.btn--ghost:hover{background:var(--lin);color:var(--encre)}

/* ---------- Header ---------- */
.hdr{position:sticky;top:0;z-index:50;background:rgba(249,248,246,.85);backdrop-filter:blur(10px);border-bottom:1px solid rgba(229,224,216,.6)}
.hdr__in{display:flex;align-items:center;justify-content:space-between;height:80px}
.logo{font-size:1.15rem;letter-spacing:.25em}
.logo sup{font-size:.55em;letter-spacing:0}
.nav{display:none;gap:34px;font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--brume)}
.nav a{position:relative;transition:color .3s}
.nav a:hover{color:var(--encre)}
.nav a::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:1px;background:var(--champagne);transition:width .5s cubic-bezier(.22,1,.36,1)}
.nav a:hover::after{width:100%}
@media(min-width:960px){.nav{display:flex}}
.hdr .btn{padding:12px 20px}
.hdr__right{display:flex;align-items:center;gap:20px}
.lang{display:flex;gap:8px;font-size:.65rem;letter-spacing:.12em;text-transform:uppercase;color:var(--brume)}
.lang a{padding-bottom:2px}
.lang a.on{color:var(--encre);border-bottom:1px solid var(--champagne)}
.lang a:hover{color:var(--encre)}
.lang .sep{color:var(--ligne)}

/* ---------- Hero territoire ---------- */
.hero{position:relative;min-height:64vh;display:flex;align-items:flex-end;overflow:hidden;color:var(--lin)}
.hero__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,18,16,.4),rgba(20,18,16,.2)45%,rgba(20,18,16,.7));mix-blend-mode:multiply}
.hero__in{position:relative;z-index:2;padding:0 0 64px}
.hero .eyebrow{color:rgba(249,248,246,.75)}
.hero .h1{color:var(--lin);max-width:16ch}
.hero__sub{color:rgba(249,248,246,.85);max-width:52ch;margin-top:1.5rem}

/* ---------- Fil d'Ariane ---------- */
.crumbs{font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;color:var(--brume);padding:24px 0;border-bottom:1px solid var(--ligne)}
.crumbs a:hover{color:var(--encre)}
.crumbs span{color:var(--champagne)}

/* ---------- Sections ---------- */
.section{padding:96px 0}
@media(min-width:768px){.section{padding:140px 0}}
.section--tight{padding:72px 0}
.section--dark{background:var(--encre);color:var(--lin)}
.section--dark .lead,.section--dark .muted{color:rgba(249,248,246,.6)}
.section--line{border-bottom:1px solid var(--ligne)}
.sec-head{max-width:720px;margin:0 auto 64px;text-align:center}
.sec-head.left{margin-left:0;text-align:left}

/* ---------- Grilles & cartes ---------- */
.grid{display:grid;gap:1px;background:var(--ligne);border:1px solid var(--ligne)}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
@media(min-width:768px){.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:1fr 1fr 1fr}}
.cell{background:var(--lin);padding:40px}
.section--dark .cell{background:var(--encre)}
.cell__num{font-family:"Cormorant Garamond",serif;color:rgba(197,168,128,.7);font-size:2rem;display:block;margin-bottom:1.2rem}

/* Cartes visuelles (villas / quartiers) */
.cards{display:grid;gap:24px;grid-template-columns:1fr}
@media(min-width:768px){.cards{grid-template-columns:1fr 1fr 1fr}}
.card{position:relative;overflow:hidden;aspect-ratio:4/3}
.card img{width:100%;height:100%;object-fit:cover;transition:transform 1.6s ease}
.card:hover img{transform:scale(1.05)}
.card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,18,16,.1),rgba(20,18,16,.65));mix-blend-mode:multiply}
.card__txt{position:absolute;inset:auto 0 0 0;z-index:2;padding:28px;color:var(--lin)}
.card__loc{font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;color:rgba(249,248,246,.7);margin-bottom:.5rem}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--ligne)}
.faq details{border-bottom:1px solid var(--ligne);padding:26px 4px}
.faq summary{display:flex;justify-content:space-between;align-items:center;gap:2rem;cursor:pointer;list-style:none;font-family:"Cormorant Garamond",serif;font-size:1.35rem;font-weight:300}
.faq summary::-webkit-details-marker{display:none}
.faq .plus{color:var(--champagne);font-size:1.5rem;transition:transform .5s}
.faq details[open] .plus{transform:rotate(45deg)}
.faq p{color:var(--brume);margin-top:1.2rem;max-width:62ch}

/* ---------- Bloc CTA ---------- */
.cta{text-align:center}
.cta .h2{margin-bottom:2rem}
.cta__btns{display:flex;flex-direction:column;gap:16px;justify-content:center;align-items:center}
@media(min-width:560px){.cta__btns{flex-direction:row}}

/* ---------- Liste de liens (maillage) ---------- */
.linklist{display:flex;flex-wrap:wrap;gap:12px}
.linklist a{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;border:1px solid var(--ligne);padding:10px 18px;transition:all .4s}
.linklist a:hover{border-color:var(--champagne);color:var(--champagne)}

/* ---------- Footer ---------- */
.footer{background:var(--encre);color:rgba(249,248,246,.7)}
.footer__top{display:grid;gap:48px;grid-template-columns:1fr;padding:80px 0 56px;border-bottom:1px solid rgba(249,248,246,.15)}
@media(min-width:768px){.footer__top{grid-template-columns:1.4fr 1fr 1fr 1fr}}
.footer__brand .logo{color:var(--lin);display:block;margin-bottom:1.2rem}
.footer h4{font-size:.7rem;letter-spacing:.15em;text-transform:uppercase;color:rgba(249,248,246,.4);margin:0 0 1.2rem;font-weight:400}
.footer li{list-style:none;margin-bottom:.7rem}
.footer ul{padding:0;margin:0}
.footer__links a{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;transition:color .3s}
.footer__links a:hover{color:var(--lin)}
.footer__bottom{display:flex;flex-direction:column;gap:16px;padding:36px 0;font-size:.65rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(249,248,246,.4)}
@media(min-width:768px){.footer__bottom{flex-direction:row;justify-content:space-between;align-items:center}}

/* ---------- Journal : cartes d'articles ---------- */
.posts{display:grid;gap:1px;background:var(--ligne);border:1px solid var(--ligne)}
@media(min-width:768px){.posts{grid-template-columns:1fr 1fr}}
.post{background:var(--lin);padding:40px;display:block;transition:background .4s}
.post:hover{background:#fff}
.post__cat{font-size:.6rem;letter-spacing:.25em;text-transform:uppercase;color:var(--champagne);margin-bottom:1rem}
.post__title{font-family:"Cormorant Garamond",serif;font-weight:300;font-size:clamp(1.5rem,2.4vw,2rem);line-height:1.2;margin:0 0 .8rem}
.post__excerpt{color:var(--brume);font-size:.95rem;line-height:1.7;margin:0}
.post__more{display:inline-block;margin-top:1.4rem;font-size:.65rem;letter-spacing:.2em;text-transform:uppercase;color:var(--encre);border-bottom:1px solid var(--champagne);padding-bottom:3px}

/* ---------- Article : corps de texte lisible ---------- */
.article{max-width:740px;margin:0 auto}
.article .chapo{font-family:"Cormorant Garamond",serif;font-weight:300;font-size:clamp(1.35rem,2.6vw,1.7rem);line-height:1.5;color:var(--encre);margin:0 0 2.5rem}
.article p{margin:0 0 1.4rem;font-size:1.05rem;line-height:1.85;color:#3a3833}
.article h2{font-family:"Cormorant Garamond",serif;font-weight:400;font-size:clamp(1.7rem,3vw,2.3rem);line-height:1.2;margin:3rem 0 1.2rem;color:var(--encre)}
.article h3{font-family:"Cormorant Garamond",serif;font-weight:400;font-size:1.35rem;margin:2.2rem 0 .8rem;color:var(--encre)}
.article ul,.article ol{margin:0 0 1.4rem;padding-left:1.3rem;color:#3a3833}
.article li{margin-bottom:.6rem;line-height:1.75}
.article strong{font-weight:500;color:var(--encre)}
.article blockquote{margin:2.2rem 0;padding-left:1.6rem;border-left:2px solid var(--champagne);font-family:"Cormorant Garamond",serif;font-style:italic;font-size:1.4rem;line-height:1.4;color:var(--encre)}
.article a{color:var(--encre);border-bottom:1px solid var(--champagne)}
.article a:hover{color:var(--champagne)}
.article .encart{background:#F3F1EC;border:1px solid var(--ligne);padding:28px 32px;margin:2.4rem 0}
.article .encart p{margin:0;font-size:.98rem}
.author{display:flex;align-items:center;gap:20px;border-top:1px solid var(--ligne);margin-top:3.5rem;padding-top:2rem}
.author__mono{width:56px;height:56px;flex:none;border:1px solid var(--ligne);display:flex;align-items:center;justify-content:center;font-family:"Cormorant Garamond",serif;font-style:italic;font-size:1.3rem;color:var(--champagne)}
.author p{margin:0;font-size:.9rem;color:var(--brume);line-height:1.6}
.author strong{color:var(--encre)}
.postmeta{font-size:.65rem;letter-spacing:.2em;text-transform:uppercase;color:var(--brume);margin-top:1rem}

/* ---------- Apparition douce (respecte reduced-motion) ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity 1.1s cubic-bezier(.22,1,.36,1),transform 1.1s cubic-bezier(.22,1,.36,1)}
.reveal.vu{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}